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  2. Technological and industrial history of the United States

    en.wikipedia.org/wiki/Technological_and...

    The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.

  3. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.

  4. History of technology - Wikipedia

    en.wikipedia.org/wiki/History_of_technology

    The Middle Paleolithic, approximately 300,000 years ago, saw the introduction of the prepared-core technique, where multiple blades could be rapidly formed from a single core stone. [8] The Upper Paleolithic , beginning approximately 40,000 years ago, saw the introduction of pressure flaking , where a wood, bone, or antler punch could be used ...

  5. Innovation in America: A Tale of Technology

    www.aol.com/news/2012-06-22-innovation-in...

    This article is part of our Innovation in America series, in which Foolish writers highlight examples of innovation going on today and what they see coming in the future. Author's note: This is a ...

  6. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_historic...

    The first bone scrapers appropriate for scraping hides to make supple leather were found in Morocco dating to 90–120,000 years ago. [29] [30] 164 kya – 47 kya: Heat treating of stone blades in South Africa. [31] 135 kya – 100 kya: Beads in Israel and Algeria [32] 100 kya: Compound paints made in South Africa [33] [34] [35]

  7. Science and technology in the United States - Wikipedia

    en.wikipedia.org/wiki/Science_and_technology_in...

    And in the following years, the federal government supported the establishment of a national modern science and technology system, making America a world leader in science and technology. [24] Part of America's past and current preeminence in applied science has been due to its vast research and development budget, which at $401.6bn in 2009 was ...

  8. 30 Color Photos Photographers Took 100 Years Ago That Still ...

    www.aol.com/44-old-color-photos-showing...

    Image credits: Photoglob Zürich "The product name Kodachrome resurfaced in the 1930s with a three-color chromogenic process, a variant that we still use today," Osterman continues.

  9. Technology - Wikipedia

    en.wikipedia.org/wiki/Technology

    Between the 1970s and 1990s, American terrorist Ted Kaczynski carried out a series of bombings across America and published the Unabomber Manifesto denouncing technology's negative impacts on nature and human freedom. The essay resonated with a large part of the American public. [118] It was partly inspired by Jacques Ellul's The Technological ...